Injection device

a technology of injection device and monitoring circuit, which is applied in the direction of infusion needles, apparatus for force/torque/work measurement, drugs and medications, etc., can solve the problems of ensuring patient adherence to prescribed medication regimes, and achieve the effect of facilitating the deployment of more sophisticated analysis in processing circuitry, reducing the difficulty of implementing machine learning models, and improving accuracy
US20200093993A1Active Publication Date: 2020-03-26NORTON HEALTHCARE
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
NORTON HEALTHCARE
Publication Date
2020-03-26

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Abstract

Injection monitoring circuitry is provided for coupling to part of an injection device having a syringe and a plunger rod. The injection monitoring circuitry has an input to receive force measurement data from a force sensor, the force measurement data includes a plurality of timestamped force measurements of force applied by a user to the injection device when an injection is administered to an injection site. Processing circuitry is provided to determine from the force measurement data when an end of injection has been reached, the end of injection corresponding to the plunger rod having reached an end position in a distal portion of the barrel of the syringe during administration of the injection by the user. Machine readable instructions and an injection monitoring method are also provided.
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Description

BACKGROUND OF THE INVENTIONField of the Invention

[0001] This disclosure relates to the field of injection devices for delivering medicament, in particular to injection monitoring circuitry for injection devices, which may be installed for example, in a plunger rods for an injection device such as prefilled syringes.Description of the Related Art

[0002] Effective medical treatment often relies upon patient adherence to a particular dosage regime prescribed by a healthcare provider, the regime involving taking a complete dose at a specified frequency for a specified duration of time. However, ensuring patient adherence to prescribed medication regimes is often a challenge for medicaments that are self-administered. Injection devices such as prefilled syringes are widely used to supply patients with medicaments for self-administration. Prefilled syringes are also often used in clinical trials because of their simplicity relative to autoinjectors.

[0003] Reliable automated gathering of data ...

Claims

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